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NÚMEROS CON SIGNO

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  • 25-20=
    5
  • -7-7=
    -14
  • +9-10=
    -1
  • -8+14=
    6
  • -9-9=
    -18
  • -2+8=
    6
  • 15-17=
    -2
  • 19-3 =
    16
  • 15-7=
    8
  • -16-12=
    -28
  • 11+7=
    18
  • 20-22=
    -2
  • + 6-18=
    -12
  • -10+7=
    -3
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